如何在HtmlHelper扩展中支持htmlAttributes参数？

I'm creating HtmlHelper extension methods. Many of the built-in framework methods support parameters like htmlAttributes (of type object) that get rendered onto the resultant HTML. How can I provide overloads of my own methods that also support an htmlAttributes parameter without rewriting the string concatenation logic to render them as attributes on the tag?I'm creating HtmlHelper extension methods. Many